Base bracket



FIG. 1 is a Front Perspective view of a base bracket showing my newdesign;

FIG. 2 is a Front view thereof;

FIG. 3 is a Back view thereof;

FIG. 4 is a Right-side view thereof;

FIG. 5 is a Left-side view thereof;

FIG. 6 is a Top view thereof; and,

FIG. 7 is a Bottom view thereof.

The broken lines in the drawings depict portions of the base bracketthat form no part of the claimed design.

CLAIM I claim the ornamental design for a base bracket, as shown anddescribed.